The windmill and the motor car may seem unlikely cousins, but both transmit power through rotating shafts. Methods of connecting vertical and horizontal shafts, equipment of different weights, and shafts turning at different speeds were crucial...

Using the principle of mechanical advantage, transmissions provide a torque-speed conversion (commonly known as "gear reduction" or "speed reduction") from a higher speed motor to a slower but more forceful...

HIV testing will soon become part of routine prenatal care and be required for some newborns in New Jersey under a new law that supporters say is putting the state in the forefront of the national fight against HIV transmission to babies.Acting Gov. Richard J....

Shares of General Motors Corp. hit a two-year high Thursday after the automaker said it had agreed to sell its Allison Transmission commercial and military business to an investment conglomerate and a private equity firm.The deal adds funds to GM's coffers as it gears up...

Shares of General Motors Corp. hit a two-year high Thursday after the automaker said it had agreed to sell its Allison Transmission commercial and military business to an investment conglomerate and a private equity firm.The deal adds funds to GM's coffers as it gears up...